Sole-fastening wire



(Model.)

L. GODDU. SOLE FASTENING WIRE.

No. 263,657. Patented Aug. 29,1882.

'Fi-EH. Y. -iEzZ.

UNITED STATES PATENT OFFICE.

LOUIS GODDU, OF WINCHESTER, ASSIGNOR TO GORDON MCKAY AND JAMES W. BROOKS, TRUSTEES, OF CAMBRIDGE, MASSACHUSETTS.

SOLE-FASTENING WIRE.

SPECIFICATION forming part of Letters Patent No. 263,657, dated August 29, 1882. Application filed March 24, 1881. (Model.)

To all whom 'it may concern Be it known that I, LOUIS GODDU, ot Winch ester, countlyof Middlesex, and State of Massachusetts, have invented a new and uset'nl Improvement in Sole-Fastening Wires, of which the following description, in connection with the accompanying drawings, is a specilication. This invention relates to a sole-fastening wire, and has for its object the production of a stift and rigid wire having the largest area of holding-surface with the least amount of stock.

My invention consists in a Wire having sevveral radial longitudinal fins scored or indented at their sides to form holding-projections to engage the leather and increase the holdingpower ot' the fastening-wire in the leather into which it is driven.

Figure l represents in side elevation a piece of sole-fastenin g wire made in accordance with my invention; Fig. 2, a cross-section thereof, and Fig. 3 a modification.

The round wire from which the solefastening wire a, having the cross-section shown in Fig. 2, is formed is run between suitable diero1lers,which, acting upon the periphery ofthe round wire, force and mold the same into the` form represented in said cross section, thus producing a series of longitudinalradial tins, l 2 3 4, eachpof which will be scored or toothed, as at b, (see Fig. 1,) by tine teeth within the recessed surfaces of the die-rollers, into which the said ns are forced.. The central or body part ofthe fastening-wire, or that from which the fins radiate, is included within the dotted circle, Fig. 2. A nail made from the sole-fastening having the cross-section herein repre sented has greater strength or stiffness, and is better able to withstandthe blow of the `naildriver without crippling, than would a round nail cut from the round wire from which thel sole-fastening wire shown in the drawings was made, and the surfaces of the fins, which are nely scored or toothed, like a taper lile, alord an extended area of rough holding-surface to to engage the leather.

It is obvious,instead of four tins, that `the fastening-wire might have three ns, as shown in Fig. 3; or it might have more than three fins. This sole-fastening wire will be made in 5o wire having the cross-section herein shown, 6o

and having its ns waved or iluted, as a fin waved or luted fails to afford the holding-power ofthe scored or toothed fins herein shown. In this my improved wire the edges of the tins are straight, and the edges of the parallel teeth standout thin and sharp, as shown in the drawings, to enter the leather.

I claim- As an improved article of manufacture, the described sole-fastening wire, having' three or 7o more longitudinal radial tins with straight edges, and having their sides finely scored, cut, or indented to form teeth, substantially as shown and described.

In testimony whereof I have signedmy name to this specification in the presence of two subscribing witnesses.

LOUIS GODDU.

Witnesses G. W. GREGORY, ARTHUR REYNOLDS. 

